Finding the Fourth Proportional to 134,163,203.16, 185,151,780.58 and 75,444,346.20
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Solution
The fourth proportional to 134,163,203.16, 185,151,780.58 and 75,444,346.20 is: 104,116,886.78
Step by Step Solution
- Step 1: Write the proportion equation
134,163,203.16 : 185,151,780.58 = 75,444,346.20 : x - Step 2: Convert to fraction form
134,163,203.16/185,151,780.58 = 75,444,346.20/x - Step 3: Cross multiply
134,163,203.16x = 185,151,780.58 × 75,444,346.20 - Step 4: Simplify right side
134,163,203.16x = 13,968,655,033,623,958 - Step 5: Solve for x
x = 13,968,655,033,623,958/134,163,203.16 - Step 6: Final answer
x = 104,116,886.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.